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Flow.Processor
  public
  static
  
  
  interface
  Flow.Processor
  
  
      implements
      
        Publisher<R>, 
      
        Subscriber<T>
      
  
  
  
    
    | java.util.concurrent.Flow.Processor<T, R> | 
  
  
    
  A component that acts as both a Subscriber and Publisher.
Summary
| Inherited methods | 
|---|
|  | 
| 
    From interface
      
        
          java.util.concurrent.Flow.Subscriber
        
      
      
  
  
  
    | 
        abstract
        
        
        
        
        void | 
      onComplete()
      Method invoked when it is known that no additional
 Subscriber method invocations will occur for a Subscription
 that is not already terminated by error, after which no
 other Subscriber methods are invoked by the Subscription.
        
    
 |  
  
  
    | 
        abstract
        
        
        
        
        void | 
      onError(Throwable throwable)
      Method invoked upon an unrecoverable error encountered by a
 Publisher or Subscription, after which no other Subscriber
 methods are invoked by the Subscription.
        
    
 |  
  
  
    | 
        abstract
        
        
        
        
        void | 
      onNext(T item)
      Method invoked with a Subscription's next item.
        
    
 |  
  
  
    | 
        abstract
        
        
        
        
        void | 
      onSubscribe(Flow.Subscription subscription)
      Method invoked prior to invoking any other Subscriber
 methods for the given Subscription.
        
    
 |  | 
 
 
  
  
    
  
 
  
    
    
      
       
    
    
  
  
  Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
  Last updated 2025-02-10 UTC.
  
  
  
    
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